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Ask for one by its name or CAS number."}},"total":39,"offset":0,"returned":39,"next_offset":null,"rows":[{"id":"cc197d90cc212c35","parameter":"nitrite (as N)","value":"3 000","value_num":3000,"unit":"µg/g","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:14797-65-0","place":["CA-BC"],"conditions":["SCHEDULE 3.1 – PART 2 GENERIC NUMERICAL SOIL STANDARDS TO PROTECT HUMAN HEALTH","Wildlands Natural (WLN)"],"cite":{"instrument":"ca_bc_csr_soil","title":"B.C. 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